Today derry township, Hummelstown PA is count around 31 homes for sale at current average listing price of $562,359. Nearby neighborhoods of derry township are None Available, High Pointe In Hershey, Hershey Downtown, Cambridge Commons, Deer Run Of Hershey, Village Of Innsbruck, Briardale, Chadds Ford, Derry Township, Hershey. Most of derry township homes are 4 bedrooms with 3 bathrooms.